17 May 37

Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE U5

Solution: MULTIPLE SOLUTIONS

Cause: CURRENT DETECTION MALFUNCTION OF UNIT

Remarks:

DESCRIPTION:

*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE.

*AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.

REPAIR:

1) LACK OF REFRIGERANT:

SOLUTION 1) CHECK IF THERE IS A LACK OF REFRIGERANT. IF YES, PLEASE REFILL REFRIGERANT

2) THE OUTDOOR UNIT PCB IS BROKEN:

SOLUTION 2) REPLACE WITH A NEW CORRESPONDING OUTDOOR UNIT PCB